The API is aiming for a 2027 rollout of the new engine oil spec, which is meant to enhance performance standards.
Canadian accident investigators are unable to determine why a Pilatus PC-12’s turboprop failed dramatically during a 7 May flight, prompting the pilots to land the aircraft on sea ice. The ...
API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...
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